diff --git a/bda/admin.py b/bda/admin.py
index 174f7878..485471da 100644
--- a/bda/admin.py
+++ b/bda/admin.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 from datetime import timedelta
 from custommail.shortcuts import send_mass_custom_mail
 
@@ -166,7 +164,7 @@ class AttributionAdminForm(forms.ModelForm):
             )
 
     def clean(self):
-        cleaned_data = super(AttributionAdminForm, self).clean()
+        cleaned_data = super().clean()
         participant = cleaned_data.get("participant")
         spectacle = cleaned_data.get("spectacle")
         if participant and spectacle:
diff --git a/bda/algorithm.py b/bda/algorithm.py
index 7f18ce18..f0f48ad9 100644
--- a/bda/algorithm.py
+++ b/bda/algorithm.py
@@ -1,9 +1,3 @@
-# -*- coding: utf-8 -*-
-
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
-
 from django.db.models import Max
 
 import random
diff --git a/bda/forms.py b/bda/forms.py
index 90b0359f..7e81587a 100644
--- a/bda/forms.py
+++ b/bda/forms.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 from django import forms
 from django.forms.models import BaseInlineFormSet
 from django.utils import timezone
@@ -80,7 +78,7 @@ class ResellForm(forms.Form):
                          required=False)
 
     def __init__(self, participant, *args, **kwargs):
-        super(ResellForm, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
         self.fields['attributions'].queryset = (
             participant.attribution_set
             .filter(spectacle__date__gte=timezone.now())
@@ -99,7 +97,7 @@ class AnnulForm(forms.Form):
                          required=False)
 
     def __init__(self, participant, *args, **kwargs):
-        super(AnnulForm, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
         self.fields['reventes'].queryset = (
             participant.original_shows
             .filter(attribution__spectacle__date__gte=timezone.now(),
@@ -117,7 +115,7 @@ class InscriptionReventeForm(forms.Form):
                     required=False)
 
     def __init__(self, tirage, *args, **kwargs):
-        super(InscriptionReventeForm, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
         self.fields['spectacles'].queryset = (
             tirage.spectacle_set
             .select_related('location')
@@ -172,7 +170,7 @@ class SoldForm(forms.Form):
                         widget=forms.CheckboxSelectMultiple)
 
     def __init__(self, participant, *args, **kwargs):
-        super(SoldForm, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
         self.fields['reventes'].queryset = (
             participant.original_shows
             .filter(soldTo__isnull=False)
diff --git a/bda/management/commands/manage_reventes.py b/bda/management/commands/manage_reventes.py
index 5a767604..5a06d40b 100644
--- a/bda/management/commands/manage_reventes.py
+++ b/bda/management/commands/manage_reventes.py
@@ -1,11 +1,7 @@
-# -*- coding: utf-8 -*-
-
 """
 Gestion en ligne de commande des reventes.
 """
 
-from __future__ import unicode_literals
-
 from django.core.management import BaseCommand
 from django.utils import timezone
 from bda.models import SpectacleRevente
diff --git a/bda/management/commands/sendrappels.py b/bda/management/commands/sendrappels.py
index 88cf9d5c..82889f80 100644
--- a/bda/management/commands/sendrappels.py
+++ b/bda/management/commands/sendrappels.py
@@ -1,11 +1,7 @@
-# -*- coding: utf-8 -*-
-
 """
 Gestion en ligne de commande des mails de rappel.
 """
 
-from __future__ import unicode_literals
-
 from datetime import timedelta
 from django.core.management.base import BaseCommand
 from django.utils import timezone
diff --git a/bda/models.py b/bda/models.py
index f8735232..fdb4a03a 100644
--- a/bda/models.py
+++ b/bda/models.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 import calendar
 import random
 from datetime import timedelta
diff --git a/bda/urls.py b/bda/urls.py
index a42a415d..7264d7b3 100644
--- a/bda/urls.py
+++ b/bda/urls.py
@@ -1,9 +1,3 @@
-# -*- coding: utf-8 -*-
-
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
-
 from django.conf.urls import url
 from gestioncof.decorators import buro_required
 from bda.views import SpectacleListView
diff --git a/bda/views.py b/bda/views.py
index e88e5955..9593404e 100644
--- a/bda/views.py
+++ b/bda/views.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 from collections import defaultdict
 import random
 import hashlib
@@ -681,7 +679,7 @@ class SpectacleListView(ListView):
         return categories
 
     def get_context_data(self, **kwargs):
-        context = super(SpectacleListView, self).get_context_data(**kwargs)
+        context = super().get_context_data(**kwargs)
         context['tirage_id'] = self.tirage.id
         context['tirage_name'] = self.tirage.title
         return context
diff --git a/cof/locale/fr/formats.py b/cof/locale/fr/formats.py
index 710fa6ed..4b47ce3d 100644
--- a/cof/locale/fr/formats.py
+++ b/cof/locale/fr/formats.py
@@ -1,9 +1,5 @@
-# -*- encoding: utf-8 -*-
-
 """
 Formats français.
 """
 
-from __future__ import unicode_literals
-
 DATETIME_FORMAT = r'l j F Y \à H:i'
diff --git a/cof/settings/common.py b/cof/settings/common.py
index 8ec003ad..f53a46b8 100644
--- a/cof/settings/common.py
+++ b/cof/settings/common.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
 Django common settings for cof project.
 
diff --git a/cof/urls.py b/cof/urls.py
index 33d4fbc6..8aaa2bee 100644
--- a/cof/urls.py
+++ b/cof/urls.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 """
 Fichier principal de configuration des urls du projet GestioCOF
 """
diff --git a/gestioncof/admin.py b/gestioncof/admin.py
index 51969822..54a6a5a0 100644
--- a/gestioncof/admin.py
+++ b/gestioncof/admin.py
@@ -181,7 +181,7 @@ class UserProfileAdmin(UserAdmin):
     def get_fieldsets(self, request, user=None):
         if not request.user.is_superuser:
             return self.staff_fieldsets
-        return super(UserProfileAdmin, self).get_fieldsets(request, user)
+        return super().get_fieldsets(request, user)
 
     def save_model(self, request, user, form, change):
         cof_group, created = Group.objects.get_or_create(name='COF')
@@ -267,7 +267,7 @@ class PetitCoursDemandeAdmin(admin.ModelAdmin):
 
 class ClubAdminForm(forms.ModelForm):
     def clean(self):
-        cleaned_data = super(ClubAdminForm, self).clean()
+        cleaned_data = super().clean()
         respos = cleaned_data.get('respos')
         members = cleaned_data.get('membres')
         for respo in respos.all():
diff --git a/gestioncof/autocomplete.py b/gestioncof/autocomplete.py
index 968398fd..1d60cd78 100644
--- a/gestioncof/autocomplete.py
+++ b/gestioncof/autocomplete.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 from ldap3 import Connection
 
 from django import shortcuts
diff --git a/gestioncof/csv_views.py b/gestioncof/csv_views.py
index c1d82aca..733768dc 100644
--- a/gestioncof/csv_views.py
+++ b/gestioncof/csv_views.py
@@ -1,9 +1,3 @@
-# -*- coding: utf-8 -*-
-
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
-
 import csv
 from django.http import HttpResponse, HttpResponseForbidden
 from django.template.defaultfilters import slugify
diff --git a/gestioncof/decorators.py b/gestioncof/decorators.py
index a1263ce3..3875b77d 100644
--- a/gestioncof/decorators.py
+++ b/gestioncof/decorators.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 from django.contrib.auth.decorators import user_passes_test
 
 
diff --git a/gestioncof/forms.py b/gestioncof/forms.py
index 5a25b815..4a9087fd 100644
--- a/gestioncof/forms.py
+++ b/gestioncof/forms.py
@@ -18,7 +18,7 @@ class EventForm(forms.Form):
         event = kwargs.pop("event")
         self.event = event
         current_choices = kwargs.pop("current_choices", None)
-        super(EventForm, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
         choices = {}
         if current_choices:
             for choice in current_choices.all():
@@ -60,7 +60,7 @@ class SurveyForm(forms.Form):
     def __init__(self, *args, **kwargs):
         survey = kwargs.pop("survey")
         current_answers = kwargs.pop("current_answers", None)
-        super(SurveyForm, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
         answers = {}
         if current_answers:
             for answer in current_answers.all():
@@ -100,7 +100,7 @@ class SurveyForm(forms.Form):
 class SurveyStatusFilterForm(forms.Form):
     def __init__(self, *args, **kwargs):
         survey = kwargs.pop("survey")
-        super(SurveyStatusFilterForm, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
         for question in survey.questions.all():
             for answer in question.answers.all():
                 name = "question_%d_answer_%d" % (question.id, answer.id)
@@ -129,7 +129,7 @@ class SurveyStatusFilterForm(forms.Form):
 class EventStatusFilterForm(forms.Form):
     def __init__(self, *args, **kwargs):
         event = kwargs.pop("event")
-        super(EventStatusFilterForm, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
         for option in event.options.all():
             for choice in option.choices.all():
                 name = "option_%d_choice_%d" % (option.id, choice.id)
@@ -175,12 +175,12 @@ class UserProfileForm(forms.ModelForm):
     last_name = forms.CharField(label=_('Nom'), max_length=30)
 
     def __init__(self, *args, **kw):
-        super(UserProfileForm, self).__init__(*args, **kw)
+        super().__init__(*args, **kw)
         self.fields['first_name'].initial = self.instance.user.first_name
         self.fields['last_name'].initial = self.instance.user.last_name
 
     def save(self, *args, **kw):
-        super(UserProfileForm, self).save(*args, **kw)
+        super().save(*args, **kw)
         self.instance.user.first_name = self.cleaned_data.get('first_name')
         self.instance.user.last_name = self.cleaned_data.get('last_name')
         self.instance.user.save()
@@ -193,7 +193,7 @@ class UserProfileForm(forms.ModelForm):
 
 class RegistrationUserForm(forms.ModelForm):
     def __init__(self, *args, **kw):
-        super(RegistrationUserForm, self).__init__(*args, **kw)
+        super().__init__(*args, **kw)
         self.fields['username'].help_text = ""
 
     class Meta:
@@ -219,8 +219,7 @@ class RegistrationPassUserForm(RegistrationUserForm):
         return pass2
 
     def save(self, commit=True, *args, **kwargs):
-        user = super(RegistrationPassUserForm, self).save(commit, *args,
-                                                          **kwargs)
+        user = super().save(commit, *args, **kwargs)
         user.set_password(self.cleaned_data['password2'])
         if commit:
             user.save()
@@ -229,7 +228,7 @@ class RegistrationPassUserForm(RegistrationUserForm):
 
 class RegistrationProfileForm(forms.ModelForm):
     def __init__(self, *args, **kw):
-        super(RegistrationProfileForm, self).__init__(*args, **kw)
+        super().__init__(*args, **kw)
         self.fields['mailing_cof'].initial = True
         self.fields['mailing_bda'].initial = True
         self.fields['mailing_bda_revente'].initial = True
@@ -274,7 +273,7 @@ class AdminEventForm(forms.Form):
             kwargs["initial"] = {"status": "wait"}
         else:
             kwargs["initial"] = {"status": "no"}
-        super(AdminEventForm, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
         choices = {}
         for choice in current_choices:
             if choice.event_option.id not in choices:
@@ -337,14 +336,15 @@ class BaseEventRegistrationFormset(BaseFormSet):
         self.events = kwargs.pop('events')
         self.current_registrations = kwargs.pop('current_registrations', None)
         self.extra = len(self.events)
-        super(BaseEventRegistrationFormset, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
 
     def _construct_form(self, index, **kwargs):
         kwargs['event'] = self.events[index]
         if self.current_registrations is not None:
             kwargs['current_registration'] = self.current_registrations[index]
-        return super(BaseEventRegistrationFormset, self)._construct_form(
-                index, **kwargs)
+        return super()._construct_form(index, **kwargs)
+
+
 EventFormset = formset_factory(AdminEventForm, BaseEventRegistrationFormset)
 
 
diff --git a/gestioncof/management/commands/syncmails.py b/gestioncof/management/commands/syncmails.py
index 74ad152d..689da716 100644
--- a/gestioncof/management/commands/syncmails.py
+++ b/gestioncof/management/commands/syncmails.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
 Import des mails de GestioCOF dans la base de donnée
 """
diff --git a/gestioncof/petits_cours_forms.py b/gestioncof/petits_cours_forms.py
index dfb7a263..e8f067bf 100644
--- a/gestioncof/petits_cours_forms.py
+++ b/gestioncof/petits_cours_forms.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 from captcha.fields import ReCaptchaField
 
 from django import forms
@@ -12,7 +10,7 @@ from gestioncof.petits_cours_models import PetitCoursDemande, PetitCoursAbility
 
 class BaseMatieresFormSet(BaseInlineFormSet):
     def clean(self):
-        super(BaseMatieresFormSet, self).clean()
+        super().clean()
         if any(self.errors):
             # Don't bother validating the formset unless each form is
             # valid on its own
@@ -36,7 +34,7 @@ class DemandeForm(ModelForm):
     captcha = ReCaptchaField(attrs={'theme': 'clean', 'lang': 'fr'})
 
     def __init__(self, *args, **kwargs):
-        super(DemandeForm, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
         self.fields['matieres'].help_text = ''
 
     class Meta:
diff --git a/gestioncof/petits_cours_models.py b/gestioncof/petits_cours_models.py
index bf2cfde9..820f1292 100644
--- a/gestioncof/petits_cours_models.py
+++ b/gestioncof/petits_cours_models.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 from functools import reduce
 
 from django.db import models
diff --git a/gestioncof/petits_cours_views.py b/gestioncof/petits_cours_views.py
index 52a29883..6b8c8610 100644
--- a/gestioncof/petits_cours_views.py
+++ b/gestioncof/petits_cours_views.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 import json
 from custommail.shortcuts import render_custom_mail
 
@@ -44,7 +42,7 @@ class DemandeDetailView(DetailView):
     context_object_name = "demande"
 
     def get_context_data(self, **kwargs):
-        context = super(DemandeDetailView, self).get_context_data(**kwargs)
+        context = super().get_context_data(**kwargs)
         obj = self.object
         context['attributions'] = obj.petitcoursattribution_set.all()
         return context
diff --git a/gestioncof/templatetags/utils.py b/gestioncof/templatetags/utils.py
index 76bc6003..2b732aec 100644
--- a/gestioncof/templatetags/utils.py
+++ b/gestioncof/templatetags/utils.py
@@ -1,9 +1,3 @@
-# -*- coding: utf-8 -*-
-
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
-
 from django import template
 from django.utils.safestring import mark_safe
 
diff --git a/gestioncof/tests/test_legacy.py b/gestioncof/tests/test_legacy.py
index 66043daf..85673edd 100644
--- a/gestioncof/tests/test_legacy.py
+++ b/gestioncof/tests/test_legacy.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
 This file demonstrates writing tests using the unittest module. These will pass
 when you run "manage.py test".
@@ -6,10 +5,6 @@ when you run "manage.py test".
 Replace this with more appropriate tests for your application.
 """
 
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
-
 from django.test import TestCase
 
 from gestioncof.models import CofProfile, User
diff --git a/gestioncof/urls.py b/gestioncof/urls.py
index 7dc72092..f8ce8f6d 100644
--- a/gestioncof/urls.py
+++ b/gestioncof/urls.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 from django.conf.urls import url
 from gestioncof.petits_cours_views import DemandeListView, DemandeDetailView
 from gestioncof import views, petits_cours_views
diff --git a/gestioncof/widgets.py b/gestioncof/widgets.py
index cbc9cd93..906f7b15 100644
--- a/gestioncof/widgets.py
+++ b/gestioncof/widgets.py
@@ -1,9 +1,3 @@
-# -*- coding: utf-8 -*-
-
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
-
 from django.forms.widgets import Widget
 from django.forms.utils import flatatt
 from django.utils.safestring import mark_safe
@@ -11,7 +5,7 @@ from django.utils.safestring import mark_safe
 
 class TriStateCheckbox(Widget):
     def __init__(self, attrs=None, choices=()):
-        super(TriStateCheckbox, self).__init__(attrs)
+        super().__init__(attrs)
         # choices can be any iterable, but we may need to render this widget
         # multiple times. Thus, collapse it into a list so it can be consumed
         # more than once.
diff --git a/kfet/apps.py b/kfet/apps.py
index 4f114c37..7a6c97a2 100644
--- a/kfet/apps.py
+++ b/kfet/apps.py
@@ -1,11 +1,6 @@
-# -*- coding: utf-8 -*-
-
-from __future__ import (absolute_import, division,
-                        print_function, unicode_literals)
-from builtins import *
-
 from django.apps import AppConfig
 
+
 class KFetConfig(AppConfig):
     name = 'kfet'
     verbose_name = "Application K-Fêt"
diff --git a/kfet/auth/backends.py b/kfet/auth/backends.py
index c6ad21b2..d8ef3001 100644
--- a/kfet/auth/backends.py
+++ b/kfet/auth/backends.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 from django.contrib.auth import get_user_model
 from kfet.models import Account, GenericTeamToken
 
diff --git a/kfet/auth/middleware.py b/kfet/auth/middleware.py
index 48d9c4ee..2f3bd33b 100644
--- a/kfet/auth/middleware.py
+++ b/kfet/auth/middleware.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 from django.contrib.auth import get_user_model
 
 from .backends import AccountBackend
diff --git a/kfet/auth/tests.py b/kfet/auth/tests.py
index 0c8b25d3..62f870e8 100644
--- a/kfet/auth/tests.py
+++ b/kfet/auth/tests.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 from unittest import mock
 
 from django.core import signing
diff --git a/kfet/autocomplete.py b/kfet/autocomplete.py
index c4886180..0d1904d6 100644
--- a/kfet/autocomplete.py
+++ b/kfet/autocomplete.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 from ldap3 import Connection
 from django.shortcuts import render
 from django.http import Http404
diff --git a/kfet/config.py b/kfet/config.py
index 76da5a79..f248b370 100644
--- a/kfet/config.py
+++ b/kfet/config.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 from django.core.exceptions import ValidationError
 from django.db import models
 
diff --git a/kfet/consumers.py b/kfet/consumers.py
index 0f447d2d..a53bbb72 100644
--- a/kfet/consumers.py
+++ b/kfet/consumers.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 from .utils import DjangoJsonWebsocketConsumer, PermConsumerMixin
 
 
diff --git a/kfet/context_processors.py b/kfet/context_processors.py
index 04feec81..89678f62 100644
--- a/kfet/context_processors.py
+++ b/kfet/context_processors.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 from kfet.config import kfet_config
 
 
diff --git a/kfet/decorators.py b/kfet/decorators.py
index 0c8a1a76..66c9d71c 100644
--- a/kfet/decorators.py
+++ b/kfet/decorators.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 from django.contrib.auth.decorators import user_passes_test
 
 
diff --git a/kfet/forms.py b/kfet/forms.py
index 26774b1c..03fcce3a 100644
--- a/kfet/forms.py
+++ b/kfet/forms.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 from datetime import timedelta
 from decimal import Decimal
 
@@ -44,7 +42,7 @@ class AccountForm(forms.ModelForm):
 
     # Surcharge pour passer data à Account.save()
     def save(self, data = {}, *args, **kwargs):
-        obj = super(AccountForm, self).save(commit = False, *args, **kwargs)
+        obj = super().save(commit = False, *args, **kwargs)
         obj.save(data = data)
         return obj
 
@@ -93,7 +91,7 @@ class AccountPwdForm(forms.Form):
             raise ValidationError("Mot de passe trop court")
         if pwd1 != pwd2:
             raise ValidationError("Les mots de passes sont différents")
-        super(AccountPwdForm, self).clean()
+        super().clean()
 
 class CofForm(forms.ModelForm):
     def clean_is_cof(self):
@@ -197,7 +195,7 @@ class CheckoutStatementCreateForm(forms.ModelForm):
                 or self.cleaned_data['balance_200'] is None
                 or self.cleaned_data['balance_500'] is None):
             raise ValidationError("Y'a un problème. Si tu comptes la caisse, mets au moins des 0 stp (et t'as pas idée de comment c'est long de vérifier que t'as mis des valeurs de partout...)")
-        super(CheckoutStatementCreateForm, self).clean()
+        super().clean()
 
 class CheckoutStatementUpdateForm(forms.ModelForm):
     class Meta:
@@ -238,7 +236,7 @@ class ArticleForm(forms.ModelForm):
             required   = False)
 
     def __init__(self, *args, **kwargs):
-        super(ArticleForm, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
         if self.instance.pk:
             self.initial['suppliers'] = self.instance.suppliers.values_list('pk', flat=True)
 
@@ -252,7 +250,7 @@ class ArticleForm(forms.ModelForm):
             category, _ = ArticleCategory.objects.get_or_create(name=category_new)
             self.cleaned_data['category'] = category
 
-        super(ArticleForm, self).clean()
+        super().clean()
 
     class Meta:
         model  = Article
@@ -323,7 +321,7 @@ class KPsulOperationForm(forms.ModelForm):
         }
 
     def clean(self):
-        super(KPsulOperationForm, self).clean()
+        super().clean()
         type_ope   = self.cleaned_data.get('type')
         amount     = self.cleaned_data.get('amount')
         article    = self.cleaned_data.get('article')
@@ -366,7 +364,7 @@ class AddcostForm(forms.Form):
                 raise ValidationError('Compte invalide')
         else:
             self.cleaned_data['amount'] = 0
-        super(AddcostForm, self).clean()
+        super().clean()
 
 
 # -----
@@ -464,7 +462,7 @@ class InventoryArticleForm(forms.Form):
     stock_new = forms.IntegerField(required=False)
 
     def __init__(self, *args, **kwargs):
-        super(InventoryArticleForm, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
         if 'initial' in kwargs:
             self.name      = kwargs['initial']['name']
             self.stock_old = kwargs['initial']['stock_old']
@@ -486,7 +484,7 @@ class OrderArticleForm(forms.Form):
     quantity_ordered = forms.IntegerField(required=False)
 
     def __init__(self, *args, **kwargs):
-        super(OrderArticleForm, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
         if 'initial' in kwargs:
             self.name = kwargs['initial']['name']
             self.stock = kwargs['initial']['stock']
@@ -516,7 +514,7 @@ class OrderArticleToInventoryForm(forms.Form):
     quantity_received = forms.IntegerField()
 
     def __init__(self, *args, **kwargs):
-        super(OrderArticleToInventoryForm, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
         if 'initial' in kwargs:
             self.name = kwargs['initial']['name']
             self.category = kwargs['initial']['category']
diff --git a/kfet/models.py b/kfet/models.py
index ecac77ca..e952e85a 100644
--- a/kfet/models.py
+++ b/kfet/models.py
@@ -1,4 +1,4 @@
-# -*- coding: utf-8 -*-
+from functools import reduce
 
 from django.db import models
 from django.core.validators import RegexValidator
@@ -7,7 +7,6 @@ from gestioncof.models import CofProfile
 from django.urls import reverse
 from django.utils.six.moves import reduce
 from django.utils import timezone
-from django.utils.encoding import python_2_unicode_compatible
 from django.utils.translation import ugettext_lazy as _
 from django.db import transaction
 from django.db.models import F
@@ -256,7 +255,7 @@ class Account(models.Model):
             cof.save()
         if data:
             self.cofprofile = cof
-        super(Account, self).save(*args, **kwargs)
+        super().save(*args, **kwargs)
 
     def change_pwd(self, clear_password):
         from .auth.utils import hash_password
@@ -397,7 +396,7 @@ class CheckoutTransfer(models.Model):
     amount = models.DecimalField(
         max_digits = 6, decimal_places = 2)
 
-@python_2_unicode_compatible
+
 class CheckoutStatement(models.Model):
     by = models.ForeignKey(
         Account, on_delete = models.PROTECT,
@@ -449,7 +448,7 @@ class CheckoutStatement(models.Model):
                     self.balance_new + self.amount_taken - self.balance_old)
             with transaction.atomic():
                 Checkout.objects.filter(pk=checkout_id).update(balance=self.balance_new)
-                super(CheckoutStatement, self).save(*args, **kwargs)
+                super().save(*args, **kwargs)
         else:
             self.amount_error = (
                 self.balance_new + self.amount_taken - self.balance_old)
@@ -463,10 +462,9 @@ class CheckoutStatement(models.Model):
                     and last_statement.balance_new != self.balance_new):
                 Checkout.objects.filter(pk=self.checkout_id).update(
                     balance=F('balance') - last_statement.balance_new + self.balance_new)
-            super(CheckoutStatement, self).save(*args, **kwargs)
+            super().save(*args, **kwargs)
 
 
-@python_2_unicode_compatible
 class ArticleCategory(models.Model):
     name = models.CharField("nom", max_length=45)
     has_addcost = models.BooleanField("majorée", default=True,
@@ -479,7 +477,6 @@ class ArticleCategory(models.Model):
         return self.name
 
 
-@python_2_unicode_compatible
 class Article(models.Model):
     name     = models.CharField("nom", max_length = 45)
     is_sold  = models.BooleanField("en vente", default = True)
@@ -566,7 +563,7 @@ class InventoryArticle(models.Model):
         # d'erreur
         if not self.inventory.order:
             self.stock_error = self.stock_new - self.stock_old
-        super(InventoryArticle, self).save(*args, **kwargs)
+        super().save(*args, **kwargs)
 
 
 class Supplier(models.Model):
diff --git a/kfet/routing.py b/kfet/routing.py
index 54de69ae..f1305d4b 100644
--- a/kfet/routing.py
+++ b/kfet/routing.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 from channels.routing import include, route_class
 
 from . import consumers
diff --git a/kfet/statistic.py b/kfet/statistic.py
index 3f32807e..0aba4dda 100644
--- a/kfet/statistic.py
+++ b/kfet/statistic.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 from datetime import date, datetime, time, timedelta
 
 from dateutil.relativedelta import relativedelta
diff --git a/kfet/templatetags/kfet_tags.py b/kfet/templatetags/kfet_tags.py
index f5cd3848..68b74738 100644
--- a/kfet/templatetags/kfet_tags.py
+++ b/kfet/templatetags/kfet_tags.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 import re
 
 from django import template
diff --git a/kfet/tests/test_config.py b/kfet/tests/test_config.py
index 03c9cf3c..43497ca8 100644
--- a/kfet/tests/test_config.py
+++ b/kfet/tests/test_config.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 from decimal import Decimal
 
 from django.test import TestCase
diff --git a/kfet/tests/test_statistic.py b/kfet/tests/test_statistic.py
index d8db7ec8..93de27a0 100644
--- a/kfet/tests/test_statistic.py
+++ b/kfet/tests/test_statistic.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 from unittest.mock import patch
 
 from django.test import TestCase, Client
diff --git a/kfet/urls.py b/kfet/urls.py
index f39299a5..96fd4ddf 100644
--- a/kfet/urls.py
+++ b/kfet/urls.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 from django.conf.urls import include, url
 from django.contrib.auth.decorators import permission_required
 
diff --git a/kfet/views.py b/kfet/views.py
index 5076e5b8..29f7411a 100644
--- a/kfet/views.py
+++ b/kfet/views.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 import ast
 from urllib.parse import urlencode
 
@@ -495,7 +493,7 @@ class AccountNegativeList(ListView):
     context_object_name = 'negatives'
 
     def get_context_data(self, **kwargs):
-        context = super(AccountNegativeList, self).get_context_data(**kwargs)
+        context = super().get_context_data(**kwargs)
         real_balances = (neg.account.real_balance for neg in self.object_list)
         context['negatives_sum'] = sum(real_balances)
         return context
@@ -530,7 +528,7 @@ class CheckoutCreate(SuccessMessageMixin, CreateView):
         form.instance.created_by = self.request.user.profile.account_kfet
         form.save()
 
-        return super(CheckoutCreate, self).form_valid(form)
+        return super().form_valid(form)
 
 # Checkout - Read
 
@@ -540,7 +538,7 @@ class CheckoutRead(DetailView):
     context_object_name = 'checkout'
 
     def get_context_data(self, **kwargs):
-        context = super(CheckoutRead, self).get_context_data(**kwargs)
+        context = super().get_context_data(**kwargs)
         context['statements'] = context['checkout'].statements.order_by('-at')
         return context
 
@@ -559,7 +557,7 @@ class CheckoutUpdate(SuccessMessageMixin, UpdateView):
             form.add_error(None, 'Permission refusée')
             return self.form_invalid(form)
         # Updating
-        return super(CheckoutUpdate, self).form_valid(form)
+        return super().form_valid(form)
 
 # -----
 # Checkout Statement views
@@ -611,7 +609,7 @@ class CheckoutStatementCreate(SuccessMessageMixin, CreateView):
             at = self.object.at)
 
     def get_context_data(self, **kwargs):
-        context = super(CheckoutStatementCreate, self).get_context_data(**kwargs)
+        context = super().get_context_data(**kwargs)
         checkout = Checkout.objects.get(pk=self.kwargs['pk_checkout'])
         context['checkout'] = checkout
         return context
@@ -627,7 +625,7 @@ class CheckoutStatementCreate(SuccessMessageMixin, CreateView):
             form.instance.balance_new = getAmountBalance(form.cleaned_data)
         form.instance.checkout_id = self.kwargs['pk_checkout']
         form.instance.by = self.request.user.profile.account_kfet
-        return super(CheckoutStatementCreate, self).form_valid(form)
+        return super().form_valid(form)
 
 class CheckoutStatementUpdate(SuccessMessageMixin, UpdateView):
     model = CheckoutStatement
@@ -639,7 +637,7 @@ class CheckoutStatementUpdate(SuccessMessageMixin, UpdateView):
         return reverse_lazy('kfet.checkout.read', kwargs={'pk':self.kwargs['pk_checkout']})
 
     def get_context_data(self, **kwargs):
-        context = super(CheckoutStatementUpdate, self).get_context_data(**kwargs)
+        context = super().get_context_data(**kwargs)
         checkout = Checkout.objects.get(pk=self.kwargs['pk_checkout'])
         context['checkout'] = checkout
         return context
@@ -651,7 +649,7 @@ class CheckoutStatementUpdate(SuccessMessageMixin, UpdateView):
             return self.form_invalid(form)
         # Updating
         form.instance.amount_taken = getAmountTaken(form.instance)
-        return super(CheckoutStatementUpdate, self).form_valid(form)
+        return super().form_valid(form)
 
 # -----
 # Category views
@@ -683,7 +681,7 @@ class CategoryUpdate(SuccessMessageMixin, UpdateView):
             return self.form_invalid(form)
 
         # Updating
-        return super(CategoryUpdate, self).form_valid(form)
+        return super().form_valid(form)
 
 # -----
 # Article views
@@ -758,7 +756,7 @@ class ArticleCreate(SuccessMessageMixin, CreateView):
             )
 
         # Creating
-        return super(ArticleCreate, self).form_valid(form)
+        return super().form_valid(form)
 
 
 # Article - Read
@@ -768,7 +766,7 @@ class ArticleRead(DetailView):
     context_object_name = 'article'
 
     def get_context_data(self, **kwargs):
-        context = super(ArticleRead, self).get_context_data(**kwargs)
+        context = super().get_context_data(**kwargs)
         inventoryarts = (InventoryArticle.objects
                          .filter(article=self.object)
                          .select_related('inventory')
@@ -820,7 +818,7 @@ class ArticleUpdate(SuccessMessageMixin, UpdateView):
                         article=article, supplier=supplier)
 
         # Updating
-        return super(ArticleUpdate, self).form_valid(form)
+        return super().form_valid(form)
 
 
 # -----
@@ -1711,7 +1709,7 @@ class InventoryRead(DetailView):
     context_object_name = 'inventory'
 
     def get_context_data(self, **kwargs):
-        context = super(InventoryRead, self).get_context_data(**kwargs)
+        context = super().get_context_data(**kwargs)
         inventoryarticles = (InventoryArticle.objects
                 .select_related('article', 'article__category')
                 .filter(inventory = self.object)
@@ -1729,7 +1727,7 @@ class OrderList(ListView):
     context_object_name = 'orders'
 
     def get_context_data(self, **kwargs):
-        context = super(OrderList, self).get_context_data(**kwargs)
+        context = super().get_context_data(**kwargs)
         context['suppliers'] = Supplier.objects.order_by('name')
         return context
 
@@ -1858,7 +1856,7 @@ class OrderRead(DetailView):
     context_object_name = 'order'
 
     def get_context_data(self, **kwargs):
-        context = super(OrderRead, self).get_context_data(**kwargs)
+        context = super().get_context_data(**kwargs)
         orderarticles = (OrderArticle.objects
                 .select_related('article', 'article__category')
                 .filter(order=self.object)
@@ -2012,7 +2010,7 @@ class SupplierUpdate(SuccessMessageMixin, UpdateView):
             form.add_error(None, 'Permission refusée')
             return self.form_invalid(form)
         # Updating
-        return super(SupplierUpdate, self).form_valid(form)
+        return super().form_valid(form)
 
 
 # ==========
@@ -2276,7 +2274,7 @@ class AccountStatBalance(PkUrlMixin, JSONDetailView):
 
     @method_decorator(login_required)
     def dispatch(self, *args, **kwargs):
-        return super(AccountStatBalance, self).dispatch(*args, **kwargs)
+        return super().dispatch(*args, **kwargs)
 
 
 # ------------------------
diff --git a/requirements.txt b/requirements.txt
index 5ad482a5..8ddf0c64 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,14 +9,12 @@ django-redis-cache==1.7.1
 icalendar
 psycopg2
 Pillow
-six
 unicodecsv
 django-bootstrap-form==3.3
 asgiref==1.1.1
 daphne==1.3.0
 asgi-redis==1.3.0
 statistics==1.0.3.5
-future==0.15.2
 django-widget-tweaks==1.4.1
 git+https://git.eleves.ens.fr/cof-geek/django_custommail.git#egg=django_custommail
 ldap3